why do i get b12 injections What are the benefits of injection? Do You Need a Prescription

Ultimately, vitamin B12 shots provide a convenient and effective way to ensure that you avoid vitamin B12 deficiency over the long term

Pre-filling syringes reduces effective dose by 58% over 24 hours due to peptide adhesion to syringe walls, which compounds across multi-day protocols and undermines dosing consistency

Diabetes, Obesity and Metabolism

Standard reconstitution involves adding 2 mL of bacteriostatic water to a 5 mg vial, yielding a concentration of 2.5 mg/mL (2,500 mcg/mL)

This position is supported by the NICE Guideline and at the end of 2025 we launched our freely accessible Pernicious Anaemia and B12 Deficiency education programme to the NHS community